Finding the Fourth Proportional to 12,699.97, 19,044.69 and 4,801.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,699.97 : 19,044.69 = 4,801.12 : x
2. Step 2: Convert to fraction form
   12,699.97/19,044.69 = 4,801.12/x
3. Step 3: Cross multiply
   12,699.97x = 19,044.69 × 4,801.12
4. Step 4: Simplify right side
   12,699.97x = 91,435,842.05
5. Step 5: Solve for x
   x = 91,435,842.05/12,699.97
6. Step 6: Final answer
   x = 7,199.69